Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/65-18 | 225/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.52 (749.7) | 28.52 (724.3) | -1 (-25.4) -3.4% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 92.73 (2355.25) | 89.58 (2275.46) | -3.14 (-79.8) -3.4% |
| Sidewall Height inches (mm) | 5.76 (146.25) | 5.76 (146.25) | 0 (0) 0% |
| Revolutions per mile (km) | 683.3 (424.58) | 707.26 (439.47) | 23.96 (14.89) 3.5% |
225/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.32 mph (31.1 km/h) |
| 25 mph (40.23 km/h) | 24.15 mph (38.87 km/h) |
| 30 mph (48.28 km/h) | 28.98 mph (46.64 km/h) |
| 35 mph (56.33 km/h) | 33.81 mph (54.42 km/h) |
| 40 mph (64.37 km/h) | 38.64 mph (62.19 km/h) |
| 45 mph (72.42 km/h) | 43.48 mph (69.97 km/h) |
| 50 mph (80.47 km/h) | 48.31 mph (77.74 km/h) |
| 55 mph (88.51 km/h) | 53.14 mph (85.52 km/h) |
| 60 mph (96.56 km/h) | 57.97 mph (93.29 km/h) |
| 65 mph (104.61 km/h) | 62.8 mph (101.06 km/h) |
| 70 mph (112.65 km/h) | 67.63 mph (108.84 km/h) |
| 75 mph (120.7 km/h) | 72.46 mph (116.61 km/h) |
| 80 mph (128.75 km/h) | 77.29 mph (124.39 km/h) |
| 85 mph (136.79 km/h) | 82.12 mph (132.16 km/h) |
| 90 mph (144.84 km/h) | 86.95 mph (139.93 km/h) |
| 95 mph (152.89 km/h) | 91.78 mph (147.71 km/h) |
| 100 mph (160.93 km/h) | 96.61 mph (155.48 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1800 | 2091 | 2252 | 2351 | 2459 | 2535 | 2619 | 2719 | 2857 | 2995 | 3148 | 3270 | 3492 | 3738 | 3929 | 4052 | 4121 | 4373 | 4726 | 5491 |
Better Fuel Economy Factory Ratios Increased Power
